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proc: introduce proc_create_seq_private

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Variant of proc_create_data that directly take a struct seq_operations
argument + a private state size and drastically reduces the boilerplate
code in the callers.

All trivial callers converted over.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig
2018-04-24 17:05:17 +02:00
parent fddda2b7b5
commit 44414d82cf
12 changed files with 37 additions and 113 deletions
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20
net/appletalk/aarp.c
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@@ -907,11 +907,6 @@ void aarp_device_down(struct net_device *dev)
}
#ifdef CONFIG_PROC_FS
struct aarp_iter_state {
int bucket;
struct aarp_entry **table;
};
/*
* Get the aarp entry that is in the chain described
* by the iterator.
@@ -1033,25 +1028,12 @@ static int aarp_seq_show(struct seq_file *seq, void *v)
return 0;
}
static const struct seq_operations aarp_seq_ops = {
const struct seq_operations aarp_seq_ops = {
.start = aarp_seq_start,
.next = aarp_seq_next,
.stop = aarp_seq_stop,
.show = aarp_seq_show,
};
static int aarp_seq_open(struct inode *inode, struct file *file)
{
return seq_open_private(file, &aarp_seq_ops,
sizeof(struct aarp_iter_state));
}
const struct file_operations atalk_seq_arp_fops = {
.open = aarp_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release_private,
};
#endif
/* General module cleanup. Called from cleanup_module() in ddp.c. */